Walter Kolczynski
Senior HPC Software Engineer at RedLine Performance Solutions, LLC
College Park, Maryland, United States
Summary
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Senior🎓
Top SchoolWalter Kolczynski is a Senior HPC Software Engineer with 11+ years specializing in numerical weather prediction workflows, probabilistic post-processing, and verification for flagship NWS models (GFS, GEFS). He combines deep meteorological expertise (Ph.D. in Meteorology) with hands-on HPC engineering, running and optimizing NWP systems across diverse supercomputing environments. Proficient in Python, Bash, Java, NCL and multiple legacy scientific languages, he has led code management and developed stochastic physics variants to improve ensemble forecasts. His research background using self-organizing maps to identify model error gives him a rare blend of machine-learning insight and operational delivery experience. Based in College Park, MD, he’s known for translating complex atmospheric science into robust, production-grade workflows and visualization pipelines handling large NetCDF/GRIB2 datasets.
11 years of coding experience
13 years of employment as a software developer
The University of ArizonaPh.D., Meteorology, Ph.D., Meteorology at Penn State UniversityB.A., Earth & Planetary Science, B.A., Earth & Planetary Science at Washington University in St. Louis
Stackoverflow
1reputation
0reached
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Github Skills (6)
playing10
jedi9
gfs7
forecast6
ufs5
python3
Programming languages (5)
Github contributions (5)
bubba0077/Trivia
Jan 2015 - Feb 2022
Contributions:3 reviews, 211 commits, 5 PRs in 7 years 2 months
bubba0077/18xx
Jun 2020 - Jun 2020
A platform for playing 18xx games online!
Contributions:4 PRs, 2 pushes in 1 day
18xxgamegamesonline-gamesplaying
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